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Disclosery

American Research & Management Co.: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of American Research & Management Co. on MRK, newest first. How the timeline and the estimate are built.

American Research & Management Co. held 19,376 MRK shares at 2022-09-30 per its 13F-HR filed 2022-10-07.

the latest 13F is the newest step

  1. period ended2022-09-30
    13F 19,376 shares
    Change vs previous 13F +41 shares

    0.46% of the 13F portfolio, value $1,669,000.

    13F-HR 0000909012-22-000112 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2022-06-30
    13F 19,335 shares
    Change vs previous 13F +250 shares

    0.45% of the 13F portfolio, value $1,763,000.

    13F-HR 0000909012-22-000079 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2022-03-31
    13F 19,085 shares
    Change vs previous 13F -461 shares

    0.35% of the 13F portfolio, value $1,566,000.

    13F-HR 0000909012-22-000052 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2021-12-31
    13F 19,546 shares
    Change vs previous 13F +325 shares

    0.32% of the 13F portfolio, value $1,498,000.

    13F-HR 0000909012-22-000017 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2021-09-30
    13F 19,221 shares
    Change vs previous 13F -350 shares

    0.33% of the 13F portfolio, value $1,444,000.

    13F-HR 0000909012-21-000134 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2021-06-30
    13F 19,571 shares
    Change vs previous 13F -5,049 shares

    0.35% of the 13F portfolio, value $1,522,000.

    13F-HR 0000909012-21-000100 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2021-03-31
    13F 24,620 shares
    Change vs previous 13F -1,028 shares

    0.46% of the 13F portfolio, value $1,898,000.

    13F-HR 0000909012-21-000060 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2020-12-31
    13F 25,648 shares
    Change vs previous 13F not available

    0.55% of the 13F portfolio, value $2,098,000.

    13F-HR 0000909012-21-000010 filed by American Research & Management Co.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).